Making a Smart Health Card QR Code app with Swift and UIKit - Part 5

Опубликовано: 24 Март 2026
на канале: Coder Greg Ellis

This is Part 5 of a 6 part series on how to create an app to Scan a Smart Health Card QR codes. This episode we continue to write and finish up the code using the Model View Controller design pattern to display the patient information extracted from the QR code on our Results View.

Chances are you have had to present a QR code proving your vaccination status before entering a restaurant, sporting event, or other local establishment. This video will show you how to build an iPhone app using Swift using UIKit that will read/validate these QR codes and display the patient information for verification.

Tutorial Resources:
https://github.com/codergregellis/Sma...

Completed project:
https://github.com/codergregellis/Sma...

Links to documentation:

SecKey Apple docs: https://developer.apple.com/documenta...

Smart Health Card Specs:
https://spec.smarthealth.cards/

JWS specs:
https://datatracker.ietf.org/doc/html...

COVID CVX Codes:
https://www.cdc.gov/vaccines/programs...

Part 1
   • Making a Smart Health Card QR Code app wit...

Part 2
   • Making a Smart Health Card QR Code app wit...

Part 3
   • Making a Smart Health Card QR Code app wit...

Part 4
   • Making a Smart Health Card QR Code app wit...

Part 5
   • Making a Smart Health Card QR Code app wit...

Part 6
   • Making a Smart Health Card QR Code app wit...

Although following this tutorial will result in a complete app that is ready for submission, this is for educational purposes and should not be submitted to the App Store.